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Greetings.. Is there a tute I'm not finding to understanding the luts structure?? explaination: I modified this. http://mailman.unidata.ucar.edu/software/gempak/examples/image_to_grid/sat_landmask/ to produce this: http://gempak.michiganwxsystem.com/satmaps/nat/ceir/latest.png I figured because the command GFUNC = sgt(irsat,112) was only using items brighter then 112, that would equate to line 112 of the ir_upc3.tbl ... wrong !! as there is not that many lines in the table sow how on earth do you figure out what is what?? what I want to do is make my regular IR look the same ramp from gray to bright white -- -Jeff Lake MichiganWxSystem.com WeatherMichigan.net TheWeatherCenter.net
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